Top 9 Guaranteed to Pass – Diesel Additives

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1. CRC


CRC Guaranteed to Pass Emissions Test Formula

CRC #ad - Works with all gasoline and ethanol blended fuels. Powerful detergent additives super-clean the entire fuel system. Maximum allowable cleaning chemistry for superior results. Use every 3, 000 miles to improve fuel economy, acceleration and reduce emissions. Reduces emissions and improves performance in one tank full.
BrandCRC #ad
ManufacturerCRC #ad
Height2.18 Inches
Length8.26 Inches
Weight0.88 Pounds
Width3.54 Inches
Part Number05063
WarrantyManufacturer Warranty

2. Cataclean


Cataclean 120007 Complete Engine, 473 Milliliter, Fuel and Exhaust System Cleaner

Cataclean #ad - Improves overall vehicle performance-including driveability issues such as power reduction, rough idle, hesitation, hard starts and lost fuel economy. Safe for gasoline, diesel, hybrid and flex-fuel vehicles; does not alter fuel. Using cataclean can lower your total hydrocarbon emissions by up to 50 percent. Reduces carbon build-up in catalytic converter, oxygen sensors, fuel injectors and cylinder heads which results in improved fuel efficiency. Not for use in 2-stroke or oil / gas mix engines.
BrandCataclean #ad
ManufacturerCATACLEAN EXST SYS/ #ad
Height9.06 Inches
Length2.68 Inches
Weight1 Pounds
Width2.68 Inches
Part Number120007

3. Liqui Moly


Liqui Moly 2037 Pro-Line Engine Flush, 500 Milliliters

Liqui Moly #ad - Simple to use. Gentle and rapid cleaning. Compatible with catalytic converters. Neutral to seals and other materials installed in the engine. Easy way to clean and flush the oil systems of gasoline and diesel engines.
BrandLiqui Moly #ad
ManufacturerLiqui Moly #ad
Height8 Inches
Length2.75 Inches
Weight1.05 Pounds
Width2.75 Inches
Part Number2037

4. Red Line


15 oz Bottle, Red Line 60103 Complete SI-1 Fuel System Cleaner, Gas and Injector Additive Treatment

Red Line #ad - No compromises. Designed to exceed expectations - Red Line Complete SI-1 Fuel System Cleaner treatment for cleaning & preventing corrosion in fuel systems.

Why red line - established in 1979, Red Line Products perform & protect better than any on the market. Efficient fuel burn - gas treatment that enhances gasoline stability, while reducing the buildup of gum and varnish formation. Perform & protect - fuel additive cleans injectors, carburetors, valve & combustion chamber deposits with a powerful concentrated blend of high-temp and low-temp detergents. Easy to use - use one bottle per tank for most effective treatment, additive cleans nearly 100% efficiency in one treatment.
BrandRed Line #ad
ManufacturerRed Line #ad
Height2 Inches
Length10 Inches
Weight1 Pounds
Width2.32 Inches
Part Number60103
WarrantyManufacturer Warranty

5. Hi-Gear


15 fl. oz., Hi-Gear HG3270s EZ Emissions Pass and Catalytic Converter Cleaner

Hi-Gear #ad - Cleans fuel system, injectors, combustion chamber, pistons and valves. Restores lost horsepower and increases fuel efficiency. Prevents rotten egg smell. Removes carbon deposits. Reduces toxic gases and CO2 emissions.
BrandHi-Gear #ad
ManufacturerHi-Gear #ad
Height7.25 Inches
Length2.5 Inches
Width2.5 Inches
Part NumberHG3270s

6. Cataclean


Cataclean 120018CAT Cataclean Fuel And Exhaust System Cleaner Special Formula For Use w/Gasoline Engines 3 Liters Cataclean Fuel And Exhaust System Cleaner

Cataclean #ad - 3l packaging – treats up to 30 gallons of fuel. Safe for gasoline, e15, e10, and E85 fuels. Restores, maintains & helps protect the catalytic converter, oxygen sensors, fuel injectors, and cylinder heads.
BrandCataclean #ad
ManufacturerCataclean #ad
Height0 Inches
Length0 Inches
Width0 Inches
Part Number120018CAT

7. Berryman Products


Capless Tank Compatible, 15. Fluid_Ounces, Berryman 212 Emissions Pass Protection, Easy Pour-in Long-Neck Bottle

Berryman Products #ad - Dramatically reduces hydrocarbon HC, nitrogen oxide NOx, and carbon monoxide CO tailpipe emissions. Increases power and fuel economy. Cleans up dirty intake ports, intake valves, fuel injectors or carburetors, and fuel pump. Improves vehicle drivability. Catalytic converter and O2-sensor safe. Compatible with vehicle type: all-terrain-vehiclesutility-vehiclesstreet-sport-motorcyclesoff-road-motorcyclesstreet-cruiser-motorcyclesstreet-touring-motorcyclesstreet-motor-scooterssnowmobilesmarine-personal-craft.
BrandBerryman Products #ad
ManufacturerBerryman Products #ad
Height9 Inches
Length2.31 Inches
Width2.31 Inches
Part Number0212

8. Motorkote


Motorkote MK-10351 Catalytic and Exhaust Treatment Emissions Control, 1 Pack, 16 fl. oz

Motorkote #ad - Protects catalytic system from oil poisons. Use before or prior to replacing catalytic converter. Helps clean oxygen o2 sensors, lowers tail pipe emissions, works great for P0420 Catalytic Converter Code. Reduces phosphorus and zinc retention levels at catalyst inlet. Use when warning light is activated.
BrandMotorkote #ad
ManufacturerMotorKote #ad
Height9.25 Inches
Length2.62 Inches
Width2.62 Inches
Part NumberMK-10351
WarrantySatisfaction Guarantee

9. Cataclean


The Original Liquid Science, Fuel & Exhaust System Cleaner, Cataclean 120019 Cataclean, Complete Engine

Cataclean #ad - Epa approved. Does not alter fuel composition and is safe for gasoline, diesel and Hybrid engines. Original long nose bottle which is capless gas tank compatible. Easy to use -simply pop, pour and go every 3 months. Restores catalytic Converter, Oxygen Sensors, Fuel Injectors and cylinder heads.
BrandCataclean #ad
Height10 Inches
Length6.5 inches
Width3.5 Inches
Part Number4354220945